MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e21ba230ca353ac49e1e7f7ce9270fd07a436b07aa6be43213c79f30f84f3e7e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e21ba230ca353ac49e1e7f7ce9270fd07a436b07aa6be43213c79f30f84f3e7e
SHA3-384 hash: 16da7d9485facc592386a4368b40df86b563a47d170f39d7535441bd95570804e12fd6aa1dfa9be56847b5c71176d252
SHA1 hash: 897dea7f9295ce7748595bfb7fcf82fe995ec73f
MD5 hash: d13cfab475a3e8c46c152ef46e1bc009
humanhash: jig-montana-fanta-mirror
File name:build.exe
Download: download sample
File size:2'022'400 bytes
First seen:2024-12-04 00:49:51 UTC
Last seen:2024-12-05 09:03:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1c4661ad7d3fc8350c55edf0f712d992 (1 x RemcosRAT)
ssdeep 24576:gF1LHszK0h9W02JhZIdWjjTaEjSc3So6CfCz9JQuGLN6X0V+D:01wGS9R0Z4aOEjSc3h6CuTEK3
TLSH T1A19559D0F6F2805AC4A2C073C126D6F521276DFF16755393E2F06E0BF62B8839627696
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 92f160b6b269ac8e (1 x RemcosRAT)
Reporter 1ZRR4H
Tags:77-105-161-126 exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
400
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://ddec1-0-en-ctp.trendmicro.com:443/wis/clicktime/v1/query?url=https%3a%2f%2fdrive.google.com%2fopen%3fid%3d1UtJaMNmlkdTD6k4FvwzEjphY2ZPHIHZs&umid=365e5f7a-504d-407b-8126-968c6e4ea063&auth=927c0b1ab45858384aa0e7e4a36abbaf860b921f-314a85c90d9e6185f45c71f3b4ab52830ffdd1c8
Verdict:
Malicious activity
Analysis date:
2024-12-03 23:03:03 UTC
Tags:
cve-2024-43451 webdav loader
Link:
https://app.any.run/tasks/1b2f4f4c-e5db-4d36-b1f1-e1b6de3d2ab3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674fa83912e85e185e758388
Tags:
shellcode spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/674fa73c815c124f1e586a90/reports/7d00b691-c9eb-49a3-a5c1-b0d96fc16c6b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/e21ba230ca353ac49e1e7f7ce9270fd07a436b07aa6be43213c79f30f84f3e7e
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e77f6bbd-292d-4c47-8e29-adf5c82bd86c
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1567947
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Detected unpacking (creates a PE file in dynamic memory)
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e21ba230ca353ac49e1e7f7ce9270fd07a436b07aa6be43213c79f30f84f3e7e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e21ba230ca353ac49e1e7f7ce9270fd07a436b07aa6be43213c79f30f84f3e7e/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-12-04 00:50:05 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4in2emgkgu5mjhq6p56osjyp2b5eg2yhvjv6imqty6ptb6cphz7a._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241204-a6xqfsylej/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1ac1ecb2-5e33-4ae3-ae9d-2374b0518f77
Unpacked files
SH256 hash:
6e58f3df4a0e5557aba37abee4a555ded556d2b760b97646f8d8a13e9484babd
MD5 hash:
d1f9e6729315ef7fdf01e10e028ef320
SHA1 hash:
c6e8b68fe36c7ab13652c22c6ef7496644f1f5c2
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8bcab3f2-3ee0-4e7a-a6a1-3796cc100205/
Parent samples :
e21ba230ca353ac49e1e7f7ce9270fd07a436b07aa6be43213c79f30f84f3e7e
3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/8bcab3f2-3ee0-4e7a-a6a1-3796cc100205/
SH256 hash:
2c2eb3e370e6d669f02f964eea9f2d4c5e5d01454f63795f9ae9e56dd2bbd811
MD5 hash:
5a6ff08155c0bbc87b53ae0dc97d4125
SHA1 hash:
3e2f2a538ac5544efde2b3db7646b71378d2a53b
Link:
https://www.unpac.me/results/8bcab3f2-3ee0-4e7a-a6a1-3796cc100205/
SH256 hash:
aea9556e0cb3aaed27544c44ae9a6b5d2f217b8a12722f8ced3cbcd2afd13ddd
MD5 hash:
1d019e272c4f72a4a3ec6d5824ad4989
SHA1 hash:
029e8e681d7ee277514ed5b0f5a7533ff52d54f7
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8bcab3f2-3ee0-4e7a-a6a1-3796cc100205/
SH256 hash:
e21ba230ca353ac49e1e7f7ce9270fd07a436b07aa6be43213c79f30f84f3e7e
MD5 hash:
d13cfab475a3e8c46c152ef46e1bc009
SHA1 hash:
897dea7f9295ce7748595bfb7fcf82fe995ec73f
Link:
https://www.unpac.me/results/8bcab3f2-3ee0-4e7a-a6a1-3796cc100205/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e21ba230ca35/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e21ba230ca353ac49e1e7f7ce9270fd07a436b07aa6be43213c79f30f84f3e7e

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play MultimediaWINMM.dll::joyGetDevCapsW
WINMM.dll::joyGetPosEx
WINMM.dll::timeBeginPeriod
WINMM.dll::timeEndPeriod
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::FindFirstFileW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::GetTempFileNameW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::EmptyClipboard
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW

Comments